CN106764152A - A kind of elbow bend steel pipe is seamlessly connected mechanism and method - Google Patents
A kind of elbow bend steel pipe is seamlessly connected mechanism and method Download PDFInfo
- Publication number
- CN106764152A CN106764152A CN201611204837.3A CN201611204837A CN106764152A CN 106764152 A CN106764152 A CN 106764152A CN 201611204837 A CN201611204837 A CN 201611204837A CN 106764152 A CN106764152 A CN 106764152A
- Authority
- CN
- China
- Prior art keywords
- flange
- steel pipe
- loose
- elbow bend
- adpting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Abstract
Mechanism and method are seamlessly connected the invention discloses a kind of elbow bend steel pipe, for by the seamless connection of steel pipe one, steel pipe two and elbow bend, the lower end of steel pipe one is connected with the upper end of elbow bend, the left end of steel pipe two is connected with the lower end of elbow bend, and the mechanism includes flange one, loose flange one, O-ring one, adpting flange one, connecting bolt one, flange two, loose flange two, O-ring two, adpting flange two, connecting bolt two.Mechanism can well remove the gap of pipeline enclosure so that the transition of junction is as good as with whole steel pipe, and the flatness in pipe is ensured to greatest extent, be adapted to the applications higher to pipeline requirement.
Description
Technical field
Mechanism and method are seamlessly connected the present invention relates to a kind of elbow bend steel pipe.
Background technology
At present, steel pipe connects the connection such as multiplex flange, bolt and sealing gasket, wherein flange and steel pipe welding, both sides
Flange intermediate cryptographic packing, realizes the connection of steel pipe.This connected mode causes there is gap between steel pipe, with the steel of closing
During the conveying experiment of tubulation piping study particle, this gap can cause two kinds of unfavorable factors：1st, particulate matter is stored so that granules in pipe
Volumetric concentration is reduced, and experiment condition is not fixed, and influences experimental result；2nd, solid-liquid two-phase flows through this gap with certain speed, by
In unexpected difference in height, fluidised form gets muddled, and causes solid-liquid two-phase flow unstable, influence pipe resistance measurement etc..So, tradition
Connected mode can not meet requirement.
The content of the invention
In order to overcome above-mentioned deficiency, the present invention provide a kind of elbow bend steel pipe of new structure be seamlessly connected mechanism and
Method, technical scheme is as follows：
A kind of elbow bend steel pipe is seamlessly connected mechanism, for by the seamless connection of steel pipe one, steel pipe two and elbow bend,
The lower end of steel pipe one is connected with the upper end of elbow bend, and the left end of steel pipe two is connected with the lower end of elbow bend, mechanism's bag
Include flange one, loose flange one, O-ring one, adpting flange one, connecting bolt one, flange two, loose flange two, O-ring two,
Adpting flange two, connecting bolt two；
The lower end of the steel pipe one sets a step one, the upper end end of the elbow bend sets a step two,
Described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and flange one
Interior interporal lacuna coordinates so that the end of the connection end of steel pipe one and elbow bend is reached in the endoporus of flange one, the flange one
Upper end be fixed on steel pipe one by welding manner, the lower end of the flange one is at the step two of elbow bend, described
There is gap with step two in the lower end of flange one；The loose flange one is arranged on the bottom of flange one, the loose flange one
One chamfering is set at the endoporus of flange one, O-ring one is placed at chamfering, loose flange one compresses O-ring one to be used for
To the effect of sealing；The top of the flange one sets an adpting flange one, the adpting flange one, flange one, loose flange
One is fixed by two connecting bolts one from top to bottom；
The left end end of the steel pipe two sets a step three, the lower end of the elbow bend sets a step four,
Described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and flange two
Interior interporal lacuna coordinates so that the end of the connection end of steel pipe two and elbow bend is reached in the endoporus of flange two, the flange two
Right-hand member be fixed on steel pipe two by welding manner, the left end of the flange two is in the step of elbow bend everywhere, described
There is gap with step four in the left end of flange two；The loose flange two is arranged on the left part of flange two, the loose flange two
One chamfering is set at the endoporus of flange two, O-ring two is placed at chamfering, loose flange two compresses O-ring two to be used for
To the effect of sealing；The right part of the flange two sets an adpting flange two, the adpting flange two, flange two, loose flange
Two are fixed by two connecting bolts two from right to left；
" L " connection end is extended on the right side of the adpting flange one, and a straight line is extended on the top of the adpting flange two
Type connection end, the adpting flange one is fixed with adpting flange two by connecting bolt three.
A kind of elbow bend steel pipe seamless connecting method, using above-mentioned mechanism, its step is as follows：
（1）, first steel pipe one lower end process a step one, elbow bend upper end end process a step
Two, step one and step two are highly identical, it is ensured that two steps are in same level during connection；Equally, on a left side for steel pipe two
End end processes a step three, and a step four, step three and the height phase of step four are processed in the lower end of elbow bend
Together, it is ensured that two steps are in same level during connection；
（2）, at the step two of right-angle elbow pipe be set with a loose flange one, at the endoporus of loose flange one install an O
Type circle one, an adpting flange one is set with steel pipe one on the pipe shaft at the step one, then by the lower end of steel pipe one and
Insert respectively in flange one upper end of right-angle elbow pipe；The upper end of flange one props up step one, and steel pipe one passes through step with flange one
One positioning, the upper end that lower end and the step two of flange one have space, flange one is fixed by welding manner with steel pipe one；Then lead to
Connecting bolt one is crossed from top to bottom successively to fix adpting flange one, flange one, loose flange one；
（3）, in the step of right-angle elbow pipe be set with a loose flange two everywhere, an O is installed at the endoporus of loose flange two
Type circle two, an adpting flange two is set with steel pipe two on the pipe shaft at the step three, then by the left end of steel pipe two and
Insert respectively in flange two lower end of right-angle elbow pipe；The right-hand member of flange two props up step three, and steel pipe two crosses step with flange two-way
Three positioning, the right-hand member that right-hand member and the step four of flange two have space, flange two is fixed by welding manner with steel pipe two；Then lead to
Connecting bolt two is crossed from right to left successively to fix adpting flange two, flange two, loose flange two；
（4）, flange one and adpting flange two are fixedly connected finally by connecting bolt three.
The beneficial effect that the present invention is reached：Mechanism can well remove the gap of pipeline enclosure so that the mistake of junction
Cross and be as good as with whole steel pipe, the flatness in pipe is ensure that to greatest extent, be adapted to the applications higher to pipeline requirement.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the partial enlarged drawing of A in Fig. 1；
Fig. 3 is the partial enlarged drawing of B in Fig. 1.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of elbow bend steel pipe is seamlessly connected mechanism, for by steel pipe 1, steel pipe two
17 and the seamless connection of elbow bend 5, the lower end of steel pipe 1 is connected with the upper end of elbow bend 5, the left end of steel pipe 2 17 with
The lower end connection of elbow bend 5, the mechanism includes flange 1, loose flange 1, O-ring 1, adpting flange 1, company
Connecting bolt 1, flange 28, loose flange 26, O-ring 27, adpting flange 29, connecting bolt 2 10；
The lower end of the steel pipe 1 sets a step 1, the upper end end of the elbow bend 5 sets a step
2 15, described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and flange
One 2 interior interporal lacuna coordinates so that the end of the connection end of steel pipe 1 and elbow bend 5 is reached in the endoporus of flange 1, institute
The upper end for stating flange 1 is fixed on steel pipe 1 by welding manner, and the lower end of the flange 1 is in the platform of elbow bend 5
At rank 2 15, there is gap in lower end and the step 2 15 of the flange 1；The loose flange 1 is arranged under flange 1
Portion, the loose flange 1 sets a chamfering at the endoporus of flange 1, and O-ring 1, loose flange are placed at chamfering
One 3 compression O-rings 1 are used to play a part of sealing；The top of the flange 1 sets an adpting flange 1, the company
Acting flange 1, flange 1, loose flange 1 are fixed by two connecting bolts 1 from top to bottom；
The left end end of the steel pipe 2 18 sets a step 3 16, the lower end of the elbow bend 5 sets a platform
Rank 4 17, described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and method
Blue 28 interior interporal lacuna coordinates so that the end of the connection end of steel pipe 2 18 and elbow bend 5 is reached in the endoporus of flange 28,
The right-hand member of the flange 28 is fixed on steel pipe 2 18 by welding manner, and the left end of the flange 28 is in elbow bend 5
Step 4 17 at, there is gap with step 4 17 in the left end of the flange 28；The loose flange 26 is arranged on flange 28
Left part, the loose flange 26 near flange 28 endoporus at set a chamfering, at chamfering place O-ring 27, activity
Flange 26 compresses O-ring 27 to be used to play a part of sealing；The right part of the flange 28 sets an adpting flange 29, described
Adpting flange 29, flange 28, loose flange 26 are fixed by two connecting bolts 2 10 from right to left；
" L " connection end is extended on the right side of the adpting flange 1, and the top of the adpting flange 29 extends one directly
Line style connection end, the adpting flange 1 is fixed with adpting flange 29 by connecting bolt 3 12.
A kind of elbow bend steel pipe seamless connecting method, using above-mentioned mechanism, its step is as follows：
（1）, first steel pipe 1 lower end process a step 1, elbow bend 5 upper end end process one
Step 2 15, step 1 and step 2 15 are highly identical, it is ensured that two steps are in same level during connection；Equally, exist
The left end end of steel pipe 2 18 processes a step 3 16, and a step 4 17, step are processed in the lower end of elbow bend 5
3 16 and step 4 17 it is highly identical, it is ensured that two steps are in same level during connection；
（2）, at the step 2 15 of right-angle elbow pipe 5 be set with a loose flange 1, at the endoporus of loose flange 1 install
One O-ring 1, is being set with an adpting flange 1, then by steel pipe in steel pipe 1 on the pipe shaft at step 1
One 1 lower end and the upper end of right-angle elbow pipe 5 are inserted in flange 1 respectively；The upper end of flange 1 props up step 1, steel pipe 1
Positioned by step 1 with flange 1, lower end and the step 2 15 of flange 1 have space, and the upper end of flange 1 is by welding
Mode is fixed with steel pipe 1；Then by connecting bolt 1 from top to bottom successively by adpting flange 1, flange 1, activity
Flange 1 is fixed；
（3）, at the step 4 17 of right-angle elbow pipe 5 be set with a loose flange 26, at the endoporus of loose flange 26 install
One O-ring 27, is being set with an adpting flange 29, then by steel pipe in steel pipe 2 18 on the pipe shaft at step 3 16
2 18 left end and the lower end of right-angle elbow pipe 5 are inserted in flange 28 respectively；The right-hand member of flange 28 props up step 3 16, steel pipe two
18 are positioned with flange 28 by step 3 16, and right-hand member and the step 4 17 of flange 28 have space, and the right-hand member of flange 28 is by weldering
Mode is connect to be fixed with steel pipe 2 18；Then by connecting bolt 2 10 from right to left successively by adpting flange 29, flange 28, work
Dynamic flange 26 is fixed；
（4）, flange 1 and adpting flange 29 are fixedly connected finally by connecting bolt 3 12.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of elbow bend steel pipe is seamlessly connected mechanism, for by the seamless company of steel pipe one, steel pipe two and elbow bend
Connect, the lower end of steel pipe one is connected with the upper end of elbow bend, the left end of steel pipe two is connected with the lower end of elbow bend, its feature exists
In：The mechanism includes flange one, loose flange one, O-ring one, adpting flange one, connecting bolt one, flange two, mobilization
Blue two, O-ring two, adpting flange two, connecting bolt two；
The lower end of the steel pipe one sets a step one, the upper end end of the elbow bend sets a step two,
Described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and flange one
Interior interporal lacuna coordinates so that the end of the connection end of steel pipe one and elbow bend is reached in the endoporus of flange one, the flange one
Upper end be fixed on steel pipe one by welding manner, the lower end of the flange one is at the step two of elbow bend, described
There is gap with step two in the lower end of flange one；The loose flange one is arranged on the bottom of flange one, the loose flange one
One chamfering is set at the endoporus of flange one, O-ring one is placed at chamfering, loose flange one compresses O-ring one to be used for
To the effect of sealing；The top of the flange one sets an adpting flange one, the adpting flange one, flange one, loose flange
One is fixed by two connecting bolts one from top to bottom；
The left end end of the steel pipe two sets a step three, the lower end of the elbow bend sets a step four,
Described two shoulder heights are identical, and junction causes that two steps are in same level, described two steps and flange two
Interior interporal lacuna coordinates so that the end of the connection end of steel pipe two and elbow bend is reached in the endoporus of flange two, the flange two
Right-hand member be fixed on steel pipe two by welding manner, the left end of the flange two is in the step of elbow bend everywhere, described
There is gap with step four in the left end of flange two；The loose flange two is arranged on the left part of flange two, the loose flange two
One chamfering is set at the endoporus of flange two, O-ring two is placed at chamfering, loose flange two compresses O-ring two to be used for
To the effect of sealing；The right part of the flange two sets an adpting flange two, the adpting flange two, flange two, loose flange
Two are fixed by two connecting bolts two from right to left；
" L " connection end is extended on the right side of the adpting flange one, and a straight line is extended on the top of the adpting flange two
Type connection end, the adpting flange one is fixed with adpting flange two by connecting bolt three.
2. a kind of elbow bend steel pipe seamless connecting method, it is characterised in that using the mechanism described in claim 1, its step
It is as follows：
（1）, first steel pipe one lower end process a step one, elbow bend upper end end process a step
Two, step one and step two are highly identical, it is ensured that two steps are in same level during connection；Equally, on a left side for steel pipe two
End end processes a step three, and a step four, step three and the height phase of step four are processed in the lower end of elbow bend
Together, it is ensured that two steps are in same level during connection；
（2）, at the step two of right-angle elbow pipe be set with a loose flange one, at the endoporus of loose flange one install an O
Type circle one, an adpting flange one is set with steel pipe one on the pipe shaft at the step one, then by the lower end of steel pipe one and
Insert respectively in flange one upper end of right-angle elbow pipe；The upper end of flange one props up step one, and steel pipe one passes through step with flange one
One positioning, the upper end that lower end and the step two of flange one have space, flange one is fixed by welding manner with steel pipe one；Then lead to
Connecting bolt one is crossed from top to bottom successively to fix adpting flange one, flange one, loose flange one；
（3）, in the step of right-angle elbow pipe be set with a loose flange two everywhere, an O is installed at the endoporus of loose flange two
Type circle two, an adpting flange two is set with steel pipe two on the pipe shaft at the step three, then by the left end of steel pipe two and
Insert respectively in flange two lower end of right-angle elbow pipe；The right-hand member of flange two props up step three, and steel pipe two crosses step with flange two-way
Three positioning, the right-hand member that right-hand member and the step four of flange two have space, flange two is fixed by welding manner with steel pipe two；Then lead to
Connecting bolt two is crossed from right to left successively to fix adpting flange two, flange two, loose flange two；
（4）, flange one and adpting flange two are fixedly connected finally by connecting bolt three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204837.3A CN106764152B (en) | 2016-12-23 | 2016-12-23 | A kind of elbow bend steel pipe seamless connection mechanism and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204837.3A CN106764152B (en) | 2016-12-23 | 2016-12-23 | A kind of elbow bend steel pipe seamless connection mechanism and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106764152A true CN106764152A (en) | 2017-05-31 |
| CN106764152B CN106764152B (en) | 2019-08-06 |
Family
ID=58897855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611204837.3A Expired - Fee Related CN106764152B (en) | 2016-12-23 | 2016-12-23 | A kind of elbow bend steel pipe seamless connection mechanism and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106764152B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2042938A1 (en) * | 1969-09-05 | 1971-03-25 | Vetco Offshore Ind Inc | Pipe connection, especially for risers of underwater boreholes |
| CN2064453U (en) * | 1989-01-09 | 1990-10-24 | 山东省邹平县建化机械配件厂 | Lengthened bends for straight pipes |
| US20100059988A1 (en) * | 2007-08-27 | 2010-03-11 | Nowla Engineering Co., Ltd. | Loose flange pipe joint |
| CN203571280U (en) * | 2013-09-24 | 2014-04-30 | 湖南湘电长沙水泵有限公司 | Expansion joint component used for pump |
| CN204284725U (en) * | 2014-11-24 | 2015-04-22 | 华夏海洋能源工程（天津）股份有限公司 | Flange-type deep underwater pipes connection set |
| CN205191031U (en) * | 2015-12-09 | 2016-04-27 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Petroleum transportation pipeline dedicated connection head |
| CN205350654U (en) * | 2015-12-15 | 2016-06-29 | 重庆凯顺机械有限公司 | Prevent static sealed tube |
| CN206377372U (en) * | 2016-12-23 | 2017-08-04 | 江苏巨鑫石油钢管有限公司 | A kind of elbow bend steel pipe is seamlessly connected mechanism |
-
2016
- 2016-12-23 CN CN201611204837.3A patent/CN106764152B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2042938A1 (en) * | 1969-09-05 | 1971-03-25 | Vetco Offshore Ind Inc | Pipe connection, especially for risers of underwater boreholes |
| CN2064453U (en) * | 1989-01-09 | 1990-10-24 | 山东省邹平县建化机械配件厂 | Lengthened bends for straight pipes |
| US20100059988A1 (en) * | 2007-08-27 | 2010-03-11 | Nowla Engineering Co., Ltd. | Loose flange pipe joint |
| CN203571280U (en) * | 2013-09-24 | 2014-04-30 | 湖南湘电长沙水泵有限公司 | Expansion joint component used for pump |
| CN204284725U (en) * | 2014-11-24 | 2015-04-22 | 华夏海洋能源工程（天津）股份有限公司 | Flange-type deep underwater pipes connection set |
| CN205191031U (en) * | 2015-12-09 | 2016-04-27 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Petroleum transportation pipeline dedicated connection head |
| CN205350654U (en) * | 2015-12-15 | 2016-06-29 | 重庆凯顺机械有限公司 | Prevent static sealed tube |
| CN206377372U (en) * | 2016-12-23 | 2017-08-04 | 江苏巨鑫石油钢管有限公司 | A kind of elbow bend steel pipe is seamlessly connected mechanism |
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| Publication number | Publication date |
|---|---|
| CN106764152B (en) | 2019-08-06 |
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Granted publication date: 20190806 Termination date: 20211223 |